3 Piece 5nm Astronomy Filter Kit H Alpha for Astrophotography

Take your deep-space photography to the next level with this complete 3-piece narrowband filter kit. Featuring H Alpha, OIII, and SII filters, it allows you to capture stunning tri-colour composite images with incredible definition and contrast.

Key Features

• Complete 3-piece set includes H Alpha, OIII, and SII 5nm filters

• 90% transmission with ultra-narrow 5nm bandpass for vivid detail and high contrast

• Blocks unwanted city lights and skyglow for cleaner astrophotos

• Designed for nebula observation and deep-space imaging

• Precision optical coatings ensure accuracy and long-lasting performance

• Compatible with 2 inch (M48x0.75) telescope filter threads

Specifications

• Filter Type: Narrowband (H Alpha, OIII, SII)

• Size: 2 inch (50.8mm)

• Bandwidth (FWHM): 5nm each

• Peak Transmission: ≥90%

• Blocking: ≥OD5

• Clear Aperture: 44mm

• Thread: M48x0.75

• Thickness: 1.85mm

Package Contents

• 1 x H Alpha 5nm Filter

• 1 x OIII 5nm Filter

• 1 x SII 5nm Filter

• 3 x Material Plastic Box

What Makes This a Smart Buy:
This all-in-one narrowband filter kit offers exceptional value for astrophotographers, delivering vivid, professional-quality images of nebulae and galaxies with minimal light interference.